noun. Any of a several forms of static or oscillating distributions of charge or magnetization

"On the macroscopic scale, for most problems in celestial mechanics, Newtons theory of gravity, supplemented by treating relativistic effects as a small (very small) perturbation and irregularities in the mass distribution of gravitating bodies as multipole effects works extremely well."

dipole  monopole  quadrupole  

band-pass  dipole­dipole  homotypic  magnetostatic  nanocomposite